Great-billed Heron
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Great-billed Heron

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Great-billed Heron Basic Information

Scientific Name Ardea sumatrana
Status LC Least Concern
Size 110-115 cm (43-45 inch)
Colors
Grey
White
Type Waders

Introduction

The Great-billed Heron (Ardea sumatrana) is a formidable and majestic member of the heron family. Known for its imposing stature and quiet demeanor, this large wader is a master of the coastal and estuarine landscapes it calls home.

Physical Appearance

Standing at an impressive height of 110-115 cm, the Great-billed Heron is one of the largest species in its genus. Its plumage is primarily a sophisticated grey, which provides excellent camouflage against rocky shorelines. The bird features white accents, particularly on the throat and underparts, which contrast sharply with its heavy, dark-colored bill.

Habitat

This species is primarily found in coastal areas, including mangrove swamps, coral reefs, and tidal flats. It is widespread throughout Southeast Asia, extending from coastal India and the Malay Peninsula to parts of Australia and the western Pacific islands.

Diet

As a specialized wader, the Great-billed Heron is an opportunistic carnivore. Its diet consists mainly of:

  • Small to medium-sized fish
  • Crustaceans such as crabs and prawns
  • Occasional amphibians or small reptiles

Breeding and Nesting

The Great-billed Heron typically nests in trees or mangrove stands, often situated near water. They build large, platform-like nests constructed from sticks and twigs. They are generally solitary breeders, though they may nest in loose colonies if the habitat allows.

Behavior

The Great-billed Heron is known for its extreme patience. It often stands motionless for long periods at the water's edge, waiting for prey to come within striking distance. It is generally a shy and solitary bird, often taking flight with slow, deliberate wingbeats when disturbed.

Conservation Status - LC Least Concern

The Great-billed Heron is currently listed as Least Concern by the IUCN. However, like many coastal species, it faces ongoing threats from habitat loss, particularly the destruction of mangrove forests and human encroachment on coastal ecosystems.

Interesting Facts

  1. It is one of the tallest heron species in the world.
  2. The bird's dark, heavy bill is specially adapted for gripping slippery prey like large fish and crabs.
  3. Despite its size, it is notoriously difficult to spot due to its sedentary behavior and grey plumage.
  4. It is sometimes referred to as the 'Sumatran Heron' due to its scientific name.

Tips for Birdwatchers

To spot the Great-billed Heron, visit mangrove estuaries during low tide when they are most likely to be foraging. Use high-quality binoculars or a spotting scope, and maintain a significant distance to avoid flushing the bird, as they are easily startled by human presence.

Conclusion

The Great-billed Heron is a true icon of the tropical coast. By protecting the mangrove and wetland habitats they depend on, we ensure that these magnificent waders continue to thrive in their natural environment.

Great-billed Heron Distribution Map & Range

Frequently Asked Questions (FAQs) About Great-billed Heron